D defs.my
Entry 3 senses · 2 variants Webster, 1913

Mason

/mās'-ən/ · Ma·son · IPA /ˈmeɪsən/
01 n. One whose occupation is to build with stone or brick; also, one who prepares stone for building purposes.
  1. 1.
    One whose occupation is to build with stone or brick; also, one who prepares stone for building purposes.
  2. 2.
    A member of the fraternity of Freemasons. See Freemason. See: Freemason
Phrases & compounds
Mason bee — any one of numerous species of solitary bees of the genus Osmia. They construct curious nests of hardened mud and sand.
Mason moth — any moth whose larva constructs an earthen cocoon under the soil.
Mason shell — a marine univalve shell of the genus Phorus; -- so called because it cements other shells and pebbles upon its own shell; a carrier shell.
Mason wasp — any wasp that constructs its nest, or brood cells, of hardened mud. The female fills the cells with insects or spiders, paralyzed by a sting, and thus provides food for its larvae
02 v. t. To build stonework or brickwork about, under, in, over, etc.; to construct by masons; -- with a prepositional suffix; as, to mason up a wel…
  1. 1.
    To build stonework or brickwork about, under, in, over, etc.; to construct by masons; -- with a prepositional suffix; as, to mason up a well or terrace; to mason in a kettle or boiler.